Home / 5,154.05-7,112.52-2,796.16

Finding the Fourth Proportional to 5,154.05, 7,112.52 and 2,796.16

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Solution

The fourth proportional to 5,154.05, 7,112.52 and 2,796.16 is: 3,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.05 : 7,112.52 = 2,796.16 : x
  2. Step 2: Convert to fraction form
    5,154.05/7,112.52 = 2,796.16/x
  3. Step 3: Cross multiply
    5,154.05x = 7,112.52 × 2,796.16
  4. Step 4: Simplify right side
    5,154.05x = 19,887,743.92
  5. Step 5: Solve for x
    x = 19,887,743.92/5,154.05
  6. Step 6: Final answer
    x = 3,858.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.